
Description: OpenGameArt.org is a platform that provides free and open source game assets like 2D and 3D art, music, sound effects, and other resources for game developers. It has a large collection of user-contributed content that can be used for both commercial and non-commercial projects.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: PENUP is a free digital art community app for people to share artwork, develop drawing skills, and connect with other artists. It provides drawing tools and functions to create digital artworks and features art tutorials and challenges.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API